# solarium

> English word · Noun · IPA /səˈlɛəɹ.i.əm/ · frequency rank #74,525

## Definitions
1. A room, rooftop, balcony, or terrace, used for its abundant sunlight, especially when used as a medical treatment.
2. Synonym of tanning salon, a room or business used for its sunlamps or tanning beds.
3. An earthen structure constructed by certain ants for the purpose of brood incubation.
4. Synonym of sundial.

## Etymology
Borrowed from Latin sōlārium (“sundial, place for enjoying sunlight”), from sōl (“sun”) + -ārium (“-arium: indicating related places or devices”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/solarium